:root {
  color-scheme: light;
  font-family: Inter, Pretendard, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #171715;
  background: #f5f1e9;
  font-synthesis: none;
  --ink: #171715;
  --muted: #67635b;
  --paper: #f5f1e9;
  --line: rgba(23, 23, 21, 0.16);
  --orange: #eb5a36;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 85% 5%, rgba(235, 90, 54, 0.13), transparent 32rem),
    var(--paper);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 5px;
}

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--ink);
}

nav {
  display: flex;
  gap: 30px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

nav a,
.text-link,
.store-links a,
.contact-link {
  transition: color 160ms ease;
}

nav a:hover,
.text-link:hover,
.store-links a:hover,
.contact-link:hover {
  color: var(--orange);
}

.section {
  padding: 150px 0;
  border-top: 1px solid var(--line);
}

.hero {
  display: grid;
  min-height: calc(100vh - 90px);
  align-content: center;
  border-top: 0;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  margin-bottom: 0;
  font-weight: 650;
  letter-spacing: -0.07em;
  line-height: 0.91;
}

h1 {
  max-width: 1050px;
  font-size: clamp(62px, 10.8vw, 148px);
}

h2 {
  font-size: clamp(48px, 7.4vw, 94px);
}

.hero-copy {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  align-items: end;
  max-width: 840px;
  margin: 54px 0 0 auto;
}

.hero-copy p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.55;
}

.text-link {
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 110px;
}

.product {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  gap: clamp(50px, 8vw, 110px);
  align-items: center;
  min-height: 760px;
  padding: 72px 0;
}

.product + .product {
  margin-top: 100px;
  border-top: 1px solid var(--line);
}

.product-gongik .product-copy {
  order: 2;
}

.product-gongik .product-visual {
  order: 1;
}

.product-title-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 38px;
}

.app-icon {
  border-radius: 20px;
  box-shadow: 0 12px 35px rgba(23, 23, 21, 0.1);
}

.product-index {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h3 {
  margin-bottom: 0;
  font-size: clamp(38px, 5vw, 66px);
  font-weight: 680;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

h3 small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0;
}

.product-lead {
  margin-bottom: 22px;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.product-description,
.about-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.feature-list {
  display: grid;
  gap: 0;
  margin: 34px 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.feature-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 630;
}

.feature-list li::before {
  content: "—";
  margin-right: 12px;
  color: var(--orange);
}

.store-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.store-links a {
  padding: 11px 15px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 720;
}

.product-visual {
  position: relative;
  display: grid;
  min-height: 680px;
  place-items: end center;
  overflow: hidden;
  border-radius: 34px;
}

.product-visual img {
  display: block;
  z-index: 1;
  height: auto;
  filter: drop-shadow(0 35px 55px rgba(23, 23, 21, 0.18));
}

.daygrid-visual {
  background: linear-gradient(145deg, #c9ddf5, #91bae8);
}

.daygrid-visual img {
  width: min(70%, 430px);
  margin-bottom: -31%;
}

.gongik-visual {
  background: linear-gradient(145deg, #e8edf3, #becadc);
}

.gongik-visual img {
  width: min(68%, 390px);
  margin-bottom: -11%;
}

.visual-label {
  position: absolute;
  top: 24px;
  left: 26px;
  z-index: 2;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  font-size: 11px;
  font-weight: 720;
  backdrop-filter: blur(12px);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(60px, 10vw, 150px);
}

.about-copy {
  padding-top: 10px;
}

.about-copy p + p {
  margin-top: 25px;
}

.contact {
  min-height: 70vh;
}

.contact-link {
  display: inline-block;
  margin-top: 56px;
  padding-bottom: 6px;
  border-bottom: 2px solid currentColor;
  font-size: clamp(20px, 3vw, 34px);
  font-weight: 650;
  letter-spacing: -0.035em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 26px 0 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 860px) {
  .section {
    padding: 100px 0;
  }

  .hero {
    min-height: 82vh;
  }

  .hero-copy,
  .section-heading,
  .product,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    margin-left: 0;
  }

  .text-link {
    width: fit-content;
  }

  .section-heading {
    gap: 20px;
    margin-bottom: 60px;
  }

  .product {
    min-height: auto;
  }

  .product-gongik .product-copy,
  .product-gongik .product-visual {
    order: initial;
  }

  .product-visual {
    min-height: 610px;
  }
}

@media (max-width: 600px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 30px, 1180px);
  }

  .site-header {
    padding: 18px 0;
  }

  nav {
    gap: 16px;
  }

  nav a:nth-child(2) {
    display: none;
  }

  .hero {
    min-height: 78vh;
    padding-top: 65px;
  }

  h1 {
    font-size: clamp(54px, 18vw, 82px);
  }

  .hero-copy {
    gap: 30px;
    margin-top: 38px;
  }

  .product {
    gap: 28px;
    padding: 44px 0;
  }

  .product + .product {
    margin-top: 50px;
  }

  .product-title-row {
    align-items: flex-end;
  }

  .app-icon {
    width: 62px;
    height: 62px;
    border-radius: 16px;
  }

  .product-visual {
    min-height: 500px;
    border-radius: 24px;
  }

  .daygrid-visual img {
    width: 78%;
    margin-bottom: -35%;
  }

  .gongik-visual img {
    width: 77%;
  }

  .site-footer {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}